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

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

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

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

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