C312322331333132212111133133313331323133313221211111333131131213121   >>    C31232233133313221211113313331333132313331322121111133313113121312   <<    C312322331333132212111133133313331323133313221211111333131131213123   >>      C312322331333132212111133133313331323133313221211111333131131213122   >>