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

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

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

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

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