C312322331333132212111133133313331333133112112312111133133311331312112321   >>    C31232233133313221211113313331333133313311211231211113313331133131211232   <<    C312322331333132212111133133313331333133112112312111133133311331312112323   >>      C312322331333132212111133133313331333133112112312111133133311331312112322   >>