C111123313121111121111331333132313331323133313331322133313222122321   >>    C11112331312111112111133133313231333132313331333132213331322212232   <<    C111123313121111121111331333132313331323133313331322133313222122323   >>      C111123313121111121111331333132313331323133313331322133313222122322   >>