C312322331333132212111133133313331323133313221211331323133313123123311   >>    C31232233133313221211113313331333132313331322121133132313331312312331   <<    C312322331333132212111133133313331323133313221211331323133313123123313   >>      C312322331333132212111133133313331323133313221211331323133313123123312   >>