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

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

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

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

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