C31232233133313221211113313331333132313232233133313331313133112311   >>    C3123223313331322121111331333133313231323223313331333131313311231   <<    C31232233133313221211113313331333132313232233133313331313133112313   >>      C31232233133313221211113313331333132313232233133313331313133112312   >>