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