C31232233133313221211113313331333132313331322121111121133121111132223321   >>    C3123223313331322121111331333133313231333132212111112113312111113222332   <<    C31232233133313221211113313331333132313331322121111121133121111132223323   >>      C31232233133313221211113313331333132313331322121111121133121111132223322   >>