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