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

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

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

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

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