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