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

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

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

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

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