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

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

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

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

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