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