1: (0 7 12)

(0)(1 9 3)(2 20 18)(4 19 6)(5 16 7 14 12)(8 15 10)(11 17 13)

2: (5 16 7)

(0)(1 9 3)(2 20 18)(4 19 6)(5 14 12)(7)(8 15 10)(11 17 13)(16)

3: (4 19 6)

(0)(1 9 3)(2 20 18)(4)(5 14 12)(6)(7)(8 15 10)(11 17 13)(16)(19)

4: (11 17 13)

(0)(1 9 3)(2 20 18)(4)(5 14 12)(6)(7)(8 15 10)(11)(13)(16)(17)(19)