C31232233133313221211113313331333132313331333133313231333133323311   >>    C3123223313331322121111331333133313231333133313331323133313332331   <<    C31232233133313221211113313331333132313331333133313231333133323313   >>      C31232233133313221211113313331333132313331333133313231333133323312   >>