C312322331333132212111133133313331323132322331333133322132311331   >>    C31232233133313221211113313331333132313232233133313332213231133   <<    C312322331333132212111133133313331323132322331333133322132311333   >>      C312322331333132212111133133313331323132322331333133322132311332   >>