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

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

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

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

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