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