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

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

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

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

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