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

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

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

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

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