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

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

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

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

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