C312322331333132212111133133313331323133313221211111211331313221211   >>    C31232233133313221211113313331333132313331322121111121133131322121   <<    C312322331333132212111133133313331323133313221211111211331313221213   >>      C312322331333132212111133133313331323133313221211111211331313221212   >>