1: (0 1 12)

(0)(1 20 17 15 12 21 4)(2 9 7)(3 19 18 16 11)(5 13 6)(8 14 10)

2: (4 12 21)

(0)(1 20 17 15 12)(2 9 7)(3 19 18 16 11)(4)(5 13 6)(8 14 10)(21)

3: (3 19 11)

(0)(1 20 17 15 12)(2 9 7)(3)(4)(5 13 6)(8 14 10)(11 18 16)(19)(21)

4: (1 20 12)

(0)(1)(2 9 7)(3)(4)(5 13 6)(8 14 10)(11 18 16)(12 17 15)(19)(20)(21)