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

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

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

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

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