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

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

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

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

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