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

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

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

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

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