C312322331333132212111133133313331333133112112312111133133321133211   >>    C31232233133313221211113313331333133313311211231211113313332113321   <<    C312322331333132212111133133313331333133112112312111133133321133213   >>      C312322331333132212111133133313331333133112112312111133133321133212   >>