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