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

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

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

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

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