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

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

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

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

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