C31232233133313221211113313331333132313331322121133133313231333211311   >>    C3123223313331322121111331333133313231333132212113313331323133321131   <<    C31232233133313221211113313331333132313331322121133133313231333211313   >>      C31232233133313221211113313331333132313331322121133133313231333211312   >>