C1111233133313231133133313231333133313331323312111133133313321111331323123221   >>    C111123313331323113313331323133313331333132331211113313331332111133132312322   <<    C1111233133313231133133313231333133313331323312111133133313321111331323123223   >>      C1111233133313231133133313231333133313331323312111133133313321111331323123222   >>