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

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

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

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

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