C312322331333132212111133133313331333133312121111331323221333132311231   >>    C31232233133313221211113313331333133313331212111133132322133313231123   <<    C312322331333132212111133133313331333133312121111331323221333132311233   >>      C312322331333132212111133133313331333133312121111331323221333132311232   >>