C31232233133313221211113313331333131211113313231333132321111311311   >>    C3123223313331322121111331333133313121111331323133313232111131131   <<    C31232233133313221211113313331333131211113313231333132321111311313   >>      C31232233133313221211113313331333131211113313231333132321111311312   >>