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

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

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

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

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