C312322331333132212111133133313331323133313221211111231211111333132331211   >>    C31232233133313221211113313331333132313331322121111123121111133313233121   <<    C312322331333132212111133133313331323133313221211111231211111333132331213   >>      C312322331333132212111133133313331323133313221211111231211111333132331212   >>