C312322331333132212111133133313331323133313331333133313331333133313231323232221   >>    C31232233133313221211113313331333132313331333133313331333133313331323132323222   <<    C312322331333132212111133133313331323133313331333133313331333133313231323232223   >>      C312322331333132212111133133313331323133313331333133313331333133313231323232222   >>