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

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

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

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

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