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

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

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

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

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