C31232233133313221211113313331333132313331322121111121111123313221323331   >>    C3123223313331322121111331333133313231333132212111112111112331322132333   <<    C31232233133313221211113313331333132313331322121111121111123313221323333   >>      C31232233133313221211113313331333132313331322121111121111123313221323332   >>