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

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

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

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

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