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

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

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

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

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