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