C111123313121111121111331333133313331333131221111113313231333131323221   >>    C11112331312111112111133133313331333133313122111111331323133313132322   <<    C111123313121111121111331333133313331333131221111113313231333131323223   >>      C111123313121111121111331333133313331333131221111113313231333131323222   >>