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