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

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

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

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

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