C1111133313331323223313331333133313331323131211113313112331311222321323231   >>    C111113331333132322331333133313331333132313121111331311233131122232132323   <<    C1111133313331323223313331333133313331323131211113313112331311222321323233   >>      C1111133313331323223313331333133313331323131211113313112331311222321323232   >>