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