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

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

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

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

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