C312322331333132212111133133313331323133313221211111333132333231333231   >>    C31232233133313221211113313331333132313331322121111133313233323133323   <<    C312322331333132212111133133313331323133313221211111333132333231333233   >>      C312322331333132212111133133313331323133313221211111333132333231333232   >>