A Halo around the sun. How beautiful.
The first one (puzzle A) is for Pencil & Paper Solvers.
A halo is a rainbow around the sun, see https://www.bing.com/images/search?q=halo%20sun&qs=n&form=QBIR
Same colors are houses that need 1 to 9. Like a Jigsaw or a SudokuP (disjoint groups)
A. for p&p people Only basic methods are needed to solve this puzzle.
A symmetrical Samurai with 4 rainbow-grids and a normal vanilla middle grid.
The 4 outer grids have normal boxes.
Only pointing/claiming needed, but also with use of the colored houses.
In code puzzle A:
#5//B4,JSB/N4,JSB/H16/B28,JSB/N28,JSB....3...............7....3..........6...293..3............76..............6.12...ABCDEFGHIBCDEFGHIACDEFGHIABDEFGHIABCEFGHIABCDFGHIABCDEGHIABCDEFHIABCDEFGIABCDEFGH....9..............4....7.............863...4........7...14................85.3..IHGFEDCBAAIHGFEDCBBAIHGFEDCCBAIHGFEDDCBAIHGFEEDCBAIHGFFEDCBAIHGGFEDCBAIHHGFEDCBAI..............................687...2..9.5..1...214................................4.25................17...1........3...795.............7....6..............4....IABCDEFGHHIABCDEFGGHIABCDEFFGHIABCDEEFGHIABCDDEFGHIABCCDEFGHIABBCDEFGHIAABCDEFGHI...15.3..............62............7..927...8..........6....4...............6....HGFEDCBAIGFEDCBAIHFEDCBAIHGEDCBAIHGFDCBAIHGFECBAIHGFEDBAIHGFEDCAIHGFEDCBIHGFEDCBAPuzzle B is more difficult:
The middle grid is Anti kNight and Anti King.
Puzzle C extra difficult, the overlapping areas are 4x4, but the middle grid is a pure vanilla Sudoku: