C31232233133313221211113313113313331333133313113313331323223311   >>    C3123223313331322121111331311331333133313331311331333132322331   <<    C31232233133313221211113313113313331333133313113313331323223313   >>      C31232233133313221211113313113313331333133313113313331323223312   >>