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

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

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

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

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