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

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

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

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

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