C31232233133313221211113313331333131211113313231333131211331333133313231323311   >>    C3123223313331322121111331333133313121111331323133313121133133313331323132331   <<    C31232233133313221211113313331333131211113313231333131211331333133313231323313   >>      C31232233133313221211113313331333131211113313231333131211331333133313231323312   >>