C31232233133313221211113313331333132313331322121111121133131323112121   >>    C3123223313331322121111331333133313231333132212111112113313132311212   <<    C31232233133313221211113313331333132313331322121111121133131323112123   >>      C31232233133313221211113313331333132313331322121111121133131323112122   >>