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

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

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

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

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