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

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

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

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

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