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