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