C312322331333132212111133133313331323133313221211111231211111132113231   >>    C31232233133313221211113313331333132313331322121111123121111113211323   <<    C312322331333132212111133133313331323133313221211111231211111132113233   >>      C312322331333132212111133133313331323133313221211111231211111132113232   >>