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