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