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