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