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