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