C31232233133313221211113313331333132313331322121111331313223312331   >>    C3123223313331322121111331333133313231333132212111133131322331233   <<    C31232233133313221211113313331333132313331322121111331313223312333   >>      C31232233133313221211113313331333132313331322121111331313223312332   >>