C1111233133313231133133313331333133313231331133133313222311211321   >>    C111123313331323113313331333133313331323133113313331322231121132   <<    C1111233133313231133133313331333133313231331133133313222311211323   >>      C1111233133313231133133313331333133313231331133133313222311211322   >>