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

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

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

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

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