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

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

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

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

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