C31232233133313221211113313331333132313331322121111121111111133133311231   >>    C3123223313331322121111331333133313231333132212111112111111113313331123   <<    C31232233133313221211113313331333132313331322121111121111111133133311233   >>      C31232233133313221211113313331333132313331322121111121111111133133311232   >>