C312322331333132212111133133313331323133313221211111122112312323311   >>    C31232233133313221211113313331333132313331322121111112211231232331   <<    C312322331333132212111133133313331323133313221211111122112312323313   >>      C312322331333132212111133133313331323133313221211111122112312323312   >>