C31232233133313221211113313331333132313232233133313331322133323132211   >>    C3123223313331322121111331333133313231323223313331333132213332313221   <<    C31232233133313221211113313331333132313232233133313331322133323132213   >>      C31232233133313221211113313331333132313232233133313331322133323132212   >>