C312322331333132212111133133313331333133312121111331333131113331323233213222321   >>    C31232233133313221211113313331333133313331212111133133313111333132323321322232   <<    C312322331333132212111133133313331333133312121111331333131113331323233213222323   >>      C312322331333132212111133133313331333133312121111331333131113331323233213222322   >>