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

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

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

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

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