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

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

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

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

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