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

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

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

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

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