(0 19 2)(1 6 3)(4 17 12 10 8)(5 9 7)(11 21 20)(13 16 14)(15 22 18)
ALLOWS (11/8)-SEQUENCE
1: (1 6 11)

(0 19 2)(1 21 20 11 3)(4 17 12 10 8)(5 9 7)(6)(13 16 14)(15 22 18)
2: (4 17 8)

(0 19 2)(1 21 20 11 3)(4)(5 9 7)(6)(8 12 10)(13 16 14)(15 22 18)(17)
3: (5 9 7)

(0 19 2)(1 21 20 11 3)(4)(5)(6)(7)(8 12 10)(9)(13 16 14)(15 22 18)(17)
4: (3 20 11)

(0 19 2)(1 21 20)(3)(4)(5)(6)(7)(8 12 10)(9)(11)(13 16 14)(15 22 18)(17)