(0 20 9)(1 18 16)(2 7 4)(3 21 19)(5 23 22)(6 11 8)(10 14 12)(13 17 15)
ALLOWS (11/8)-SEQUENCE
1: (0 7 9)

(0)(1 18 16)(2 7 20 9 4)(3 21 19)(5 23 22)(6 11 8)(10 14 12)(13 17 15)
2: (6 11 8)

(0)(1 18 16)(2 7 20 9 4)(3 21 19)(5 23 22)(6)(8)(10 14 12)(11)(13 17 15)
3: (4 20 9)

(0)(1 18 16)(2 7 20)(3 21 19)(4)(5 23 22)(6)(8)(9)(10 14 12)(11)(13 17 15)
4: (3 21 19)

(0)(1 18 16)(2 7 20)(3)(4)(5 23 22)(6)(8)(9)(10 14 12)(11)(13 17 15)(19)(21)