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