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