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

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

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

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

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