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