C11112331312111112111133133313231333132313331333131313331322113321   >>    C1111233131211111211113313331323133313231333133313131333132211332   <<    C11112331312111112111133133313231333132313331333131313331322113323   >>      C11112331312111112111133133313231333132313331333131313331322113322   >>