C312322331333132212111133133313331323133313221211111133133112111113232233131   >>    C31232233133313221211113313331333132313331322121111113313311211111323223313   <<    C312322331333132212111133133313331323133313221211111133133112111113232233133   >>      C312322331333132212111133133313331323133313221211111133133112111113232233132   >>