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

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

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

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

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