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