C31232233133313221211113313331333133313113311331333132322123311   >>    C3123223313331322121111331333133313331311331133133313232212331   <<    C31232233133313221211113313331333133313113311331333132322123313   >>      C31232233133313221211113313331333133313113311331333132322123312   >>