(0 19 17 15 3)(1 8 4)(2 11 10)(5 21 20 18 7)(6 13 9)(12 16 14)
ALLOWS (11/8)-SEQUENCE
1: (0 1 3)

(0)(1 19 17 15 3 8 4)(2 11 10)(5 21 20 18 7)(6 13 9)(12 16 14)
2: (3 8 19)

(0)(1 19 4)(2 11 10)(3 17 15)(5 21 20 18 7)(6 13 9)(8)(12 16 14)
3: (7 20 18)

(0)(1 19 4)(2 11 10)(3 17 15)(5 21 20)(6 13 9)(7)(8)(12 16 14)(18)
4: (1 19 4)

(0)(1)(2 11 10)(3 17 15)(4)(5 21 20)(6 13 9)(7)(8)(12 16 14)(18)(19)