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

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

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

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

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