C312322331333132212111133133313331323133313221211113313331122113231   >>    C31232233133313221211113313331333132313331322121111331333112211323   <<    C312322331333132212111133133313331323133313221211113313331122113233   >>      C312322331333132212111133133313331323133313221211113313331122113232   >>