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