C31232233133313221211113313331333132313331322121133133313231333233123311   >>    C3123223313331322121111331333133313231333132212113313331323133323312331   <<    C31232233133313221211113313331333132313331322121133133313231333233123313   >>      C31232233133313221211113313331333132313331322121133133313231333233123312   >>