C1111133313331323223313331333133313331323131211113313112331311222321131321   >>    C111113331333132322331333133313331333132313121111331311233131122232113132   <<    C1111133313331323223313331333133313331323131211113313112331311222321131323   >>      C1111133313331323223313331333133313331323131211113313112331311222321131322   >>