C312322331333132212111133133313331323133313221211111333131113233121   >>    C31232233133313221211113313331333132313331322121111133313111323312   <<    C312322331333132212111133133313331323133313221211111333131113233123   >>      C312322331333132212111133133313331323133313221211111333131113233122   >>